Really excited about this, I just wrote PouchDB on top of indexeddb and was planning to rewrite the entire thing in webSQL to get support for safari (mobile) and opera, which was depressing since webSQL is deprecated, it looks initially like this does everything PouchDB needs to 'just work' with webSQL browsers, great job
Hope this increases the adoption of the API, now that the API is available on devices like iPad and iPhone too !!